Charge Air System, Checking For Leaks

Special tools and workshop equipment required 

• Turbo System Tester Kit: VAG1687 
• Turbo System Tester Kit - Adapter 6: VAG1687/6  and the Adapters: VAG1687/3  , : VAG1687/13-2  , : VAG1687/15 

Procedure 

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the lock carrier cover. Refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

-- Remove the bolts -arrows- and air duct -1-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum hose -2- at the same time to not damage it.

Courtesy of AUDI OF AMERICA, LLC

Vehicles with Secondary Air System: 

-- Press the release buttons on both sides and remove the secondary air injection hose -3-.

Continuation for All Vehicles: 

-- Loosen the hose clamps -arrows- and remove the air duct pipe -1-.

-- Install the : VAG1687/6  and : VAG1687/13-2  on the turbocharger.

Courtesy of AUDI OF AMERICA, LLC

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the threaded connections -arrows- and slide the clamping sleeves toward the rear.

Courtesy of AUDI OF AMERICA, LLC

-- Slightly lower the front muffler -2- and secure as shown with a cable tie -1-.

-- Seal the front muffler with the : VAG1687/3  and : VAG1687/15  .

Courtesy of AUDI OF AMERICA, LLC

-- Connect the : VAG1687  to the : VAG1687/6  using the connection -5-.

Courtesy of AUDI OF AMERICA, LLC

All additional procedures are described. Refer to CHARGE AIR SYSTEM, CHECKING FOR LEAKS .

Assembling 

Assemble in the reverse order of removal. Note the following:

• Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information.

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

Tightening Specifications 

• Refer to OVERVIEW - AIR FILTER HOUSING
• Refer to OVERVIEW - MUFFLER
• Refer to OVERVIEW - CHARGE AIR SYSTEM .
• Refer to OVERVIEW - BUMPER COVER .